1: (1 3 12)

(0 8 2)(1 5 3 20 18)(4 19 6)(7 11 9)(10 16 13)(12)(14 17 15)

2: (0 8 2)

(0)(1 5 3 20 18)(2)(4 19 6)(7 11 9)(8)(10 16 13)(12)(14 17 15)

3: (1 5 18)

(0)(1)(2)(3 20 18)(4 19 6)(5)(7 11 9)(8)(10 16 13)(12)(14 17 15)

4: (4 19 6)

(0)(1)(2)(3 20 18)(4)(5)(6)(7 11 9)(8)(10 16 13)(12)(14 17 15)(19)